Emotion is a library designed for writing CSS styles with JavaScript.
Express is a web application framework for Node.js, released as free and open-source software under the MIT License. It is designed for building web applications and APIs.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
MUI(formerly Material UI) is a simple and customisable component library to build faster, beautiful, and more accessible React applications.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Varnish is a reverse caching proxy.